NO763817L - - Google Patents
Info
- Publication number
- NO763817L NO763817L NO763817A NO763817A NO763817L NO 763817 L NO763817 L NO 763817L NO 763817 A NO763817 A NO 763817A NO 763817 A NO763817 A NO 763817A NO 763817 L NO763817 L NO 763817L
- Authority
- NO
- Norway
- Prior art keywords
- circuit
- level
- output
- alarm
- signal
- Prior art date
Links
- 238000012806 monitoring device Methods 0.000 claims description 7
- 239000004020 conductor Substances 0.000 claims 1
- 238000005259 measurement Methods 0.000 claims 1
- 230000003111 delayed effect Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K7/00—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements
- G01K7/16—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements
- G01K7/18—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements the element being a linear resistance, e.g. platinum resistance thermometer
- G01K7/20—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements the element being a linear resistance, e.g. platinum resistance thermometer in a specially-adapted circuit, e.g. bridge circuit
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D3/00—Indicating or recording apparatus with provision for the special purposes referred to in the subgroups
- G01D3/08—Indicating or recording apparatus with provision for the special purposes referred to in the subgroups with provision for safeguarding the apparatus, e.g. against abnormal operation, against breakdown
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K15/00—Testing or calibrating of thermometers
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Emergency Alarm Devices (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE7512673A SE395059B (sv) | 1975-11-12 | 1975-11-12 | Anordning for indikering av avbrott i metkretsen vid motstandstermometrar i termovakter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NO763817L true NO763817L (fi) | 1977-05-13 |
Family
ID=20326054
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO763817A NO763817L (fi) | 1975-11-12 | 1976-11-10 |
Country Status (7)
| Country | Link |
|---|---|
| CH (1) | CH608101A5 (fi) |
| DE (1) | DE2648599A1 (fi) |
| FI (1) | FI763224A (fi) |
| FR (1) | FR2331781A1 (fi) |
| GB (1) | GB1562429A (fi) |
| NO (1) | NO763817L (fi) |
| SE (1) | SE395059B (fi) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2744786A1 (de) * | 1977-10-05 | 1979-04-19 | Interatom | Korrektur der verzoegerung in messketten |
| JPS5856006A (ja) * | 1981-09-29 | 1983-04-02 | Sharp Corp | 温度調節器の故障検出方法 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2728904A (en) * | 1954-06-29 | 1955-12-27 | Arthur J Waldorf | Supervised fire detection and alarm system |
| US3176284A (en) * | 1963-09-27 | 1965-03-30 | Specialties Dev Corp | System responsive to plural conditions with false indication prevention |
| US3839711A (en) * | 1970-04-02 | 1974-10-01 | Minnesota Mining & Mfg | Security system and control circuit |
| US3699569A (en) * | 1972-01-28 | 1972-10-17 | Minnesota Mining & Mfg | Security system for indicating fire, intrusion or the like |
| US3836854A (en) * | 1973-07-02 | 1974-09-17 | Lorain Prod Corp | Alarm circuit for monitoring the amplitude of a-c voltages |
-
1975
- 1975-11-12 SE SE7512673A patent/SE395059B/xx unknown
-
1976
- 1976-09-30 CH CH1235976A patent/CH608101A5/xx not_active IP Right Cessation
- 1976-10-18 FR FR7631222A patent/FR2331781A1/fr not_active Withdrawn
- 1976-10-27 DE DE19762648599 patent/DE2648599A1/de active Pending
- 1976-11-10 NO NO763817A patent/NO763817L/no unknown
- 1976-11-10 FI FI763224A patent/FI763224A/fi not_active Application Discontinuation
- 1976-11-11 GB GB46937/76A patent/GB1562429A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FI763224A (fi) | 1977-05-13 |
| DE2648599A1 (de) | 1977-05-26 |
| CH608101A5 (en) | 1978-12-15 |
| SE7512673L (sv) | 1977-05-13 |
| SE395059B (sv) | 1977-07-25 |
| GB1562429A (en) | 1980-03-12 |
| FR2331781A1 (fr) | 1977-06-10 |
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